Make PluginInstance::PrintPDFOutput-metafile implementation agnostic on Linux.

printing/printing.gyp

 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 20 matching lines @@
         'backend/print_backend_dummy.cc',
         'emf_win.cc',
         'emf_win.h',
         'image.cc',
         'image_cairo.cc',
         'image_mac.cc',
         'image_win.cc',
         'image.h',
         'native_metafile_factory.cc',
         'native_metafile_factory.h',
+        'native_metafile_skia_wrapper.cc',
+        'native_metafile_skia_wrapper.h',
         'native_metafile.h',
         'page_number.cc',
         'page_number.h',
         'page_overlays.cc',
         'page_overlays.h',
         'page_range.cc',
         'page_range.h',
         'page_setup.cc',
         'page_setup.h',
         'pdf_metafile_mac.cc',
@@ skipping 30 matching lines @@
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
         ],
       },
       'conditions': [
         ['OS!="linux" and OS!="freebsd" and OS!="openbsd"',{
             'sources/': [['exclude', '_cairo\\.cc$']]
         }],
-        ['OS!="mac"', {'sources/': [['exclude', '_mac\\.(cc|mm?)$']]}],
+        ['OS!="mac"', {'sources/': [['exclude', '_mac\\.(cc|mm?)$']]
+          }, {  # else: OS=="mac"
+            'sources/': [['exclude', 'native_metafile_skia_wrapper\\.(cc|h)$']]
+        }],
         ['OS!="win"', {'sources/': [['exclude', '_win\\.cc$']]
           }, {  # else: OS=="win"
             'sources/': [['exclude', '_posix\\.cc$']]
         }],
         ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
           'dependencies': [
             # For FT_Init_FreeType and friends.
             '../build/linux/system.gyp:freetype2',
             '../build/linux/system.gyp:gtk',
             '../build/linux/system.gyp:gtkprint',
@@ skipping 89 matching lines @@
       ],
     },
   ],
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
 # End:
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